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1231033007 is a prime number
BaseRepresentation
bin100100101100000…
…0001001010101111
310011210101221211002
41021120001022233
510010121024012
6322053150515
742335415341
oct11130011257
93153357732
101231033007
11581982356
122a432b43b
1316806b6c9
14b96cb291
157311a7c2
hex496012af

1231033007 has 2 divisors, whose sum is σ = 1231033008. Its totient is φ = 1231033006.

The previous prime is 1231032997. The next prime is 1231033043. The reversal of 1231033007 is 7003301321.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1231033007 - 24 = 1231032991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1231033007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1231033607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615516503 + 615516504.

It is an arithmetic number, because the mean of its divisors is an integer number (615516504).

Almost surely, 21231033007 is an apocalyptic number.

1231033007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231033007 is an equidigital number, since it uses as much as digits as its factorization.

1231033007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 1231033007 is about 35086.0799605770. The cubic root of 1231033007 is about 1071.7411332757.

Adding to 1231033007 its reverse (7003301321), we get a palindrome (8234334328).

The spelling of 1231033007 in words is "one billion, two hundred thirty-one million, thirty-three thousand, seven".